Sep 21 10:12:22.237 INFO checking funfun-0.2.4 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 10:12:22.237 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 10:12:22.237 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-0/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 10:12:22.400 INFO blam! 400031ae366d9ab72c95b9b6447a2dba4a299740c8f2339da4ce2c3ed1043045
Sep 21 10:12:22.402 INFO running `"docker" "start" "-a" "400031ae366d9ab72c95b9b6447a2dba4a299740c8f2339da4ce2c3ed1043045"`
Sep 21 10:12:23.757 INFO kablam! usermod: no changes
Sep 21 10:12:23.787 INFO kablam!     Checking funfun v0.2.4 (/source)
Sep 21 10:12:24.124 INFO kablam! warning: unused import: `std::fmt`
Sep 21 10:12:24.124 INFO kablam!  --> src/lib.rs:2:5
Sep 21 10:12:24.124 INFO kablam!   |
Sep 21 10:12:24.124 INFO kablam! 2 | use std::fmt;
Sep 21 10:12:24.124 INFO kablam!   |     ^^^^^^^^
Sep 21 10:12:24.124 INFO kablam!   |
Sep 21 10:12:24.124 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 10:12:24.124 INFO kablam! 
Sep 21 10:12:24.218 INFO kablam! warning: unused variable: `d`
Sep 21 10:12:24.218 INFO kablam!    --> src/lib.rs:104:14
Sep 21 10:12:24.218 INFO kablam!     |
Sep 21 10:12:24.218 INFO kablam! 104 |             |d: &str| -> String {"reassign once".to_string()}
Sep 21 10:12:24.218 INFO kablam!     |              ^ help: consider using `_d` instead
Sep 21 10:12:24.218 INFO kablam!     |
Sep 21 10:12:24.218 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 21 10:12:24.218 INFO kablam! 
Sep 21 10:12:24.218 INFO kablam! warning: unused variable: `d`
Sep 21 10:12:24.218 INFO kablam!    --> src/lib.rs:127:14
Sep 21 10:12:24.218 INFO kablam!     |
Sep 21 10:12:24.218 INFO kablam! 127 |             |d: &str| -> String {"reassign once".to_string()}
Sep 21 10:12:24.218 INFO kablam!     |              ^ help: consider using `_d` instead
Sep 21 10:12:24.218 INFO kablam! 
Sep 21 10:12:24.222 INFO kablam! warning: unused import: `std::fmt`
Sep 21 10:12:24.222 INFO kablam!  --> src/lib.rs:2:5
Sep 21 10:12:24.222 INFO kablam!   |
Sep 21 10:12:24.222 INFO kablam! 2 | use std::fmt;
Sep 21 10:12:24.222 INFO kablam!   |     ^^^^^^^^
Sep 21 10:12:24.222 INFO kablam!   |
Sep 21 10:12:24.222 INFO kablam!   = note: #[warn(unused_imports)] on by default
Sep 21 10:12:24.223 INFO kablam! 
Sep 21 10:12:24.244 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 10:12:24.244 INFO kablam!    --> src/lib.rs:147:13
Sep 21 10:12:24.244 INFO kablam!     |
Sep 21 10:12:24.244 INFO kablam! 147 |             res.join();
Sep 21 10:12:24.244 INFO kablam!     |             ^^^^^^^^^^^
Sep 21 10:12:24.244 INFO kablam!     |
Sep 21 10:12:24.244 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 21 10:12:24.244 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 10:12:24.244 INFO kablam! 
Sep 21 10:12:24.244 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 21 10:12:24.244 INFO kablam!    --> src/lib.rs:165:13
Sep 21 10:12:24.244 INFO kablam!     |
Sep 21 10:12:24.244 INFO kablam! 165 |             res.join();
Sep 21 10:12:24.244 INFO kablam!     |             ^^^^^^^^^^^
Sep 21 10:12:24.244 INFO kablam!     |
Sep 21 10:12:24.244 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 21 10:12:24.244 INFO kablam! 
Sep 21 10:12:24.270 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Sep 21 10:12:24.270 INFO kablam! su: No module specific data is present
Sep 21 10:12:24.967 INFO running `"docker" "rm" "-f" "400031ae366d9ab72c95b9b6447a2dba4a299740c8f2339da4ce2c3ed1043045"`
Sep 21 10:12:25.087 INFO blam! 400031ae366d9ab72c95b9b6447a2dba4a299740c8f2339da4ce2c3ed1043045